Applebee's takes a big first step toward a fleet of robot waiters, the site Rap Genius keeps tabs on trends in hip-hop lyrics, a surgeon gives an anecdotal review of Google Glass in the operating room, and a new USB connector promises an easier plug.

Applebee's takes a big first step toward a fleet of robot waiters, RapGenius site keep tabs on trends in hip hop lyrics, a surgeon gives an anecdotal review of Google Glass in the operating room, and a new USB connector promises an easier plug.